Includes 1 Lithium Manganese Dioxide battery with replacement instructions, Battery is 12.0V, 4.7amp-hours
Capacity (at 20°C) Will provide 166 200 joule shocks (with one minute of CPR between shocks) or 103 360 joules shocks (with one minute of CPR between shocks) or 800 minutes of operating time
Standby Life (assuming daily tests only): A new battery provides device power for 4 years if installed in a device that is not used
Replace Battery Indication: At least 6 shocks and 30 minutes of operating time remain when first indicated